Finding the Fourth Proportional to 75,528,090,467.38, 113,236,283,903.92 and 45,675,784,922.14
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Solution
The fourth proportional to 75,528,090,467.38, 113,236,283,903.92 and 45,675,784,922.14 is: 68,479,900,881.54
Step by Step Solution
- Step 1: Write the proportion equation
75,528,090,467.38 : 113,236,283,903.92 = 45,675,784,922.14 : x - Step 2: Convert to fraction form
75,528,090,467.38/113,236,283,903.92 = 45,675,784,922.14/x - Step 3: Cross multiply
75,528,090,467.38x = 113,236,283,903.92 × 45,675,784,922.14 - Step 4: Simplify right side
75,528,090,467.38x = 5,172,156,148,978,285,543,424 - Step 5: Solve for x
x = 5,172,156,148,978,285,543,424/75,528,090,467.38 - Step 6: Final answer
x = 68,479,900,881.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.